3-112 BA 348-01 * 2.0 * 34801b340.fm
3 Operation
Description of automatic trailer coupling
• In order to ensure the required swivel angle when coupled, use the trailer coupling
only in connection with lugs in compliance with DIN 11026, DIN 74053 (ISO 1102) or
DIN 74054 (ISO 8755).
➥See type label B on the trailer coupling and the towing gear of the trailer
• If the trailer coupling is equipped with a stabilizing feature A (push-down plate),
only lugs in compliance with DIN 74054 (ISO 8755) are allowed
➥See type label B on the trailer coupling
In order to avoid risk of accidents, always check whether the trailer coupling is
correctly locked!
☞Ensure that no one is between the tractor vehicle and the trailer when coupling
a trailer
☞Keep your hands clear of the coupling jaw (risk of crushing!)
☞Do not open or close the coupling jaw by force with parts or tools
Coupling the trailer onto the machine
☞Proceed as follows:
• Park the machine in front of the trailer
• Apply the parking brake
• Stop the engine
• Press the lever fully upward C
• Align the coupling jaw horizontally
• Set the height of the trailer drawbar and the jockey wheel or of the towing gear to the
middle of the coupling jaw
• Reverse the machine slowly until the trailer drawbar engages in the coupling jaw with
an audible click
➥ The trailer drawbar is locked as soon as it touches the trigger in the coupling jaw
• Connect the supply lines (electrical system/hydraulics) to the machine
Fig. 150 : Trailer coupling (option) overview
A
B
C
Fig. 151 : Opening the trailer coupling
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